Home / 821,546.52-1,133,721.36-458,975.40

Finding the Fourth Proportional to 821,546.52, 1,133,721.36 and 458,975.40

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Solution

The fourth proportional to 821,546.52, 1,133,721.36 and 458,975.40 is: 633,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,546.52 : 1,133,721.36 = 458,975.40 : x
  2. Step 2: Convert to fraction form
    821,546.52/1,133,721.36 = 458,975.40/x
  3. Step 3: Cross multiply
    821,546.52x = 1,133,721.36 × 458,975.40
  4. Step 4: Simplify right side
    821,546.52x = 520,350,214,694.54
  5. Step 5: Solve for x
    x = 520,350,214,694.54/821,546.52
  6. Step 6: Final answer
    x = 633,378.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.